Review on Extra Thick Exercise Ball For Workout Fitness Balance - Gruper Yoga Ball In 45-75Cm - Anti Burst Yoga Chair For Home And Office With Hand Pump & Workout Guide Access Included by Andy Thorson

Using an exercise ball instead of an office chair is a game changer for me. I'm pretty much always in pain from sitting on an uncomfortable office task chair. Sciatica galore. And lower back pain. But the ball helps me strengthen my core muscles. And I read you can burn 50 more calories an hour. LOLAnyway this one comes with that basically plastic cheap pump, which is fine. It works. It could be better but I'm not complaining- you fill it up and then hide the pump for ages so whatever.This ball is more heavy duty than the last one I got. Also it has grippy nubs, which is cool.